src/insets/insettext.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1998-2001 The LyX Team.
   7  *
   8  * ======================================================
   9  */
  10
  11 #include <config.h>
  12
  13 #include <fstream>
  14 #include <algorithm>
  15
  16 #include <cstdlib>
  17 //#include <signal.h>
  18
  19 #ifdef __GNUG__
  20 #pragma implementation
  21 #endif
  22
  23 #include "insettext.h"
  24 #include "paragraph.h"
  25 #include "lyxlex.h"
  26 #include "debug.h"
  27 #include "lyxfont.h"
  28 #include "commandtags.h"
  29 #include "buffer.h"
  30 #include "LyXView.h"
  31 #include "BufferView.h"
  32 #include "layout.h"
  33 #include "LaTeXFeatures.h"
  34 #include "Painter.h"
  35 #include "frontends/Alert.h"
  36 #include "lyxtext.h"
  37 #include "lyxcursor.h"
  38 #include "CutAndPaste.h"
  39 #include "font.h"
  40 #include "LColor.h"
  41 #include "support/textutils.h"
  42 #include "support/LAssert.h"
  43 #include "support/lstrings.h"
  44 #include "lyxrow.h"
  45 #include "lyxrc.h"
  46 #include "intl.h"
  47 #include "trans_mgr.h"
  48 #include "lyxscreen.h"
  49 #include "WorkArea.h"
  50 #include "gettext.h"
  51 #include "lyxfunc.h"
  52 #include "ParagraphParameters.h"
  53 #include "undo_funcs.h"
  54 #include "lyxfind.h"
  55
  56 using std::ostream;
  57 using std::ifstream;
  58 using std::endl;
  59 using std::min;
  60 using std::max;
  61 using std::make_pair;
  62 using std::vector;
  63
  64 using lyx::pos_type;
  65 using lyx::layout_type;
  66 using lyx::textclass_type;
  67
  68 extern unsigned char getCurrentTextClass(Buffer *);
  69 extern bool math_insert_greek(BufferView *, char);
  70 extern int greek_kb_flag;
  71
  72
  73 // These functions should probably go into bufferview_funcs somehow (Jug)
  74
  75 void InsetText::saveLyXTextState(LyXText * t) const
  76 {
  77         // check if my paragraphs are still valid
  78         Paragraph * p = par;
  79         while (p) {
  80                 if (p == t->cursor.par())
  81                         break;
  82                 p = p->next();
  83         }
  84
  85         if (p && t->cursor.pos() <= p->size()) {
  86                 sstate.lpar = t->cursor.par();
  87                 sstate.pos = t->cursor.pos();
  88                 sstate.boundary = t->cursor.boundary();
  89                 sstate.selstartpar = t->selection.start.par();
  90                 sstate.selstartpos = t->selection.start.pos();
  91                 sstate.selstartboundary = t->selection.start.boundary();
  92                 sstate.selendpar = t->selection.end.par();
  93                 sstate.selendpos = t->selection.end.pos();
  94                 sstate.selendboundary = t->selection.end.boundary();
  95                 sstate.selection = t->selection.set();
  96                 sstate.mark_set = t->selection.mark();
  97                 sstate.refresh = t->refresh_row != 0;
  98         } else {
  99                 sstate.lpar = 0;
 100         }
 101 }
 102
 103 void InsetText::restoreLyXTextState(BufferView * bv, LyXText * t) const
 104 {
 105         if (sstate.lpar) {
 106                 t->selection.set(true);
 107                 /* at this point just to avoid the Delete-Empty-Paragraph
 108                  * Mechanism when setting the cursor */
 109                 t->selection.mark(sstate.mark_set);
 110                 if (sstate.selection) {
 111                         t->setCursor(bv, sstate.selstartpar, sstate.selstartpos,
 112                                      true, sstate.selstartboundary);
 113                         t->selection.cursor = t->cursor;
 114                         t->setCursor(bv, sstate.selendpar, sstate.selendpos,
 115                                      true, sstate.selendboundary);
 116                         t->setSelection(bv);
 117                         t->setCursor(bv, sstate.lpar, sstate.pos);
 118                 } else {
 119                         t->setCursor(bv, sstate.lpar, sstate.pos, true, sstate.boundary);
 120                         t->selection.cursor = t->cursor;
 121                         t->selection.set(false);
 122                 }
 123                 if (sstate.refresh) {
 124                 }
 125         }
 126 }
 127
 128
 129 InsetText::InnerCache::InnerCache(boost::shared_ptr<LyXText> t)
 130 {
 131         text = t;
 132         remove = false;
 133 }
 134
 135
 136 InsetText::InsetText()
 137         : UpdatableInset(), lt(0), in_update(false), do_resize(0),
 138           do_reinit(false)
 139 {
 140         par = new Paragraph;
 141         init();
 142 }
 143
 144
 145 InsetText::InsetText(InsetText const & in, bool same_id)
 146         : UpdatableInset(in, same_id), lt(0), in_update(false), do_resize(0),
 147           do_reinit(false)
 148 {
 149         par = 0;
 150         init(&in, same_id);
 151 }
 152
 153
 154 InsetText & InsetText::operator=(InsetText const & it)
 155 {
 156         init(&it);
 157         return * this;
 158 }
 159
 160
 161 void InsetText::init(InsetText const * ins, bool same_id)
 162 {
 163         if (ins) {
 164                 setParagraphData(ins->par, same_id);
 165                 autoBreakRows = ins->autoBreakRows;
 166                 drawFrame_ = ins->drawFrame_;
 167                 frame_color = ins->frame_color;
 168                 if (same_id)
 169                         id_ = ins->id_;
 170         } else {
 171                 Paragraph * p = par;
 172                 while (p) {
 173                         p->setInsetOwner(this);
 174                         p = p->next();
 175                 }
 176                 the_locking_inset = 0;
 177                 drawFrame_ = NEVER;
 178                 frame_color = LColor::insetframe;
 179                 autoBreakRows = false;
 180         }
 181         top_y = 0;
 182         insetAscent = 0;
 183         insetDescent = 0;
 184         insetWidth = 0;
 185         old_max_width = 0;
 186         no_selection = false;
 187         need_update = FULL;
 188         drawTextXOffset = 0;
 189         drawTextYOffset = 0;
 190         xpos = 0.0;
 191         locked = false;
 192         old_par = 0;
 193         last_drawn_width = -1;
 194         frame_is_visible = false;
 195         cached_bview = 0;
 196         sstate.lpar = 0;
 197         in_insetAllowed = false;
 198 }
 199
 200
 201 InsetText::~InsetText()
 202 {
 203         cached_bview = 0;
 204
 205         // NOTE
 206
 207         while (par) {
 208                 Paragraph * tmp = par->next();
 209                 delete par;
 210                 par = tmp;
 211         }
 212 }
 213
 214
 215 void InsetText::clear()
 216 {
 217         while (par) {
 218                 Paragraph * tmp = par->next();
 219                 delete par;
 220                 par = tmp;
 221         }
 222         par = new Paragraph;
 223         reinitLyXText();
 224         need_update = INIT;
 225 }
 226
 227
 228 Inset * InsetText::clone(Buffer const &, bool same_id) const
 229 {
 230         return  new InsetText(*this, same_id);
 231 }
 232
 233
 234 void InsetText::write(Buffer const * buf, ostream & os) const
 235 {
 236         os << "Text\n";
 237         writeParagraphData(buf, os);
 238 }
 239
 240
 241 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 242 {
 243         par->writeFile(buf, os, buf->params, 0);
 244 }
 245
 246
 247 void InsetText::read(Buffer const * buf, LyXLex & lex)
 248 {
 249         string token;
 250         int pos = 0;
 251         Paragraph * return_par = 0;
 252         Paragraph::depth_type depth = 0;
 253         LyXFont font(LyXFont::ALL_INHERIT);
 254
 255         clear();
 256
 257         while (lex.isOK()) {
 258                 lex.nextToken();
 259                 token = lex.getString();
 260                 if (token.empty())
 261                         continue;
 262                 if (token == "\\end_inset") {
 263 #ifndef NO_COMPABILITY
 264                         const_cast<Buffer*>(buf)->insertErtContents(par, pos, font, false);
 265 #endif
 266                         break;
 267                 }
 268
 269                 if (const_cast<Buffer*>(buf)->
 270                         parseSingleLyXformat2Token(lex, par, return_par,
 271                                                    token, pos, depth, font)) {
 272                         // the_end read this should NEVER happen
 273                         lex.printError("\\the_end read in inset! Error in document!");
 274                         return;
 275                 }
 276         }
 277         if (!return_par)
 278                 return_par = par;
 279         par = return_par;
 280         while (return_par) {
 281                 return_par->setInsetOwner(this);
 282                 return_par = return_par->next();
 283         }
 284
 285         if (token != "\\end_inset") {
 286                 lex.printError("Missing \\end_inset at this point. "
 287                                            "Read: `$$Token'");
 288         }
 289         need_update = FULL;
 290 }
 291
 292
 293 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 294 {
 295         bool clear = false;
 296         if (!lt) {
 297                 lt = getLyXText(bv);
 298                 clear = true;
 299         }
 300         insetAscent = lt->firstRow()->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 301         if (clear)
 302                 lt = 0;
 303         return insetAscent;
 304 }
 305
 306
 307 int InsetText::descent(BufferView * bv, LyXFont const &) const
 308 {
 309         bool clear = false;
 310         if (!lt) {
 311                 lt = getLyXText(bv);
 312                 clear = true;
 313         }
 314         insetDescent = lt->height - lt->firstRow()->ascent_of_text() +
 315                 TEXT_TO_INSET_OFFSET;
 316         if (clear)
 317                 lt = 0;
 318         return insetDescent;
 319 }
 320
 321
 322 int InsetText::width(BufferView * bv, LyXFont const &) const
 323 {
 324         insetWidth = max(textWidth(bv), (int)getLyXText(bv)->width) +
 325                 (2 * TEXT_TO_INSET_OFFSET);
 326         insetWidth = max(insetWidth, 10);
 327         return insetWidth;
 328 }
 329
 330
 331 int InsetText::textWidth(BufferView * bv, bool fordraw) const
 332 {
 333         int w;
 334         if (!autoBreakRows) {
 335                 w = -1;
 336         } else {
 337                 w = getMaxWidth(bv, this);
 338         }
 339         if (fordraw) {
 340                 return max(w - (2 * TEXT_TO_INSET_OFFSET),
 341                            (int)getLyXText(bv)->width);
 342         } else if (w < 0) {
 343             return -1;
 344         }
 345         return w - (2 * TEXT_TO_INSET_OFFSET);
 346 }
 347
 348
 349 void InsetText::draw(BufferView * bv, LyXFont const & f,
 350                      int baseline, float & x, bool cleared) const
 351 {
 352         if (nodraw())
 353                 return;
 354
 355         Painter & pain = bv->painter();
 356
 357         // this is the first thing we have to ask because if the x pos
 358         // changed we have to do a complete rebreak of the text as we
 359         // may have few space to draw in. Well we should check on this too
 360         int old_x = top_x;
 361         if (top_x != int(x)) {
 362                 top_x = int(x);
 363                 int nw = getMaxWidth(bv, this);
 364                 if (nw > 0 && old_max_width != nw) {
 365                         need_update = INIT;
 366                         old_max_width = nw;
 367                         bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 368                         topx_set = true;
 369                         return;
 370                 } else {
 371                         top_x = old_x;
 372                 }
 373         }
 374
 375         // repaint the background if needed
 376         if (cleared && backgroundColor() != LColor::background) {
 377                 top_x = int(x);
 378                 clearInset(bv, baseline, cleared);
 379                 top_x = old_x;
 380         }
 381
 382         // no draw is necessary !!!
 383         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 384                 top_x = int(x);
 385                 topx_set = true;
 386                 top_baseline = baseline;
 387                 x += width(bv, f);
 388                 if (need_update & CLEAR_FRAME)
 389                         clearFrame(pain, cleared);
 390                 need_update = NONE;
 391                 return;
 392         }
 393
 394         xpos = x;
 395         if (!owner())
 396                 x += static_cast<float>(scroll());
 397
 398         // if top_x differs we did it already
 399         if (!cleared && (top_x == int(x))
 400             && ((need_update&(INIT|FULL)) || (top_baseline != baseline)
 401                 ||(last_drawn_width != insetWidth))) {
 402                 clearInset(bv, baseline, cleared);
 403         }
 404
 405         top_x = int(x);
 406         topx_set = true;
 407         if (cleared)
 408                 frame_is_visible = false;
 409
 410         if (!cleared && (need_update == NONE)) {
 411                 if (locked)
 412                         drawFrame(pain, cleared);
 413                 return;
 414         }
 415
 416         // call these methods so that insetWidth, insetAscent and
 417         // insetDescent have the right values.
 418         width(bv, f);
 419         ascent(bv, f);
 420         descent(bv, f);
 421
 422         top_baseline = baseline;
 423         top_y = baseline - insetAscent;
 424
 425         if (last_drawn_width != insetWidth) {
 426                 if (!cleared)
 427                         clearInset(bv, baseline, cleared);
 428                 need_update |= FULL;
 429                 last_drawn_width = insetWidth;
 430         }
 431
 432         if (the_locking_inset && (cpar(bv) == inset_par)
 433                 && (cpos(bv) == inset_pos)) {
 434                 inset_x = cx(bv) - top_x + drawTextXOffset;
 435                 inset_y = cy(bv) + drawTextYOffset;
 436         }
 437         if (!cleared && (need_update == CURSOR)
 438             && !getLyXText(bv)->selection.set()) {
 439                 drawFrame(pain, cleared);
 440                 x += insetWidth;
 441                 need_update = NONE;
 442                 return;
 443         }
 444         bool clear = false;
 445         if (!lt) {
 446                 lt = getLyXText(bv);
 447                 clear = true;
 448         }
 449         x += TEXT_TO_INSET_OFFSET;
 450
 451         Row * row = lt->firstRow();
 452         int y_offset = baseline - row->ascent_of_text();
 453         int ph = pain.paperHeight();
 454         int first = 0;
 455         int y = y_offset;
 456         while ((row != 0) && ((y+row->height()) <= 0)) {
 457                 y += row->height();
 458                 first += row->height();
 459                 row = row->next();
 460         }
 461         if (y_offset < 0)
 462                 y_offset = y;
 463         lt->first = first;
 464         if (cleared || (need_update&(INIT|FULL))) {
 465                 int yf = y_offset;
 466                 y = 0;
 467                 while ((row != 0) && (yf < ph)) {
 468                         lt->getVisibleRow(bv, y+y_offset, int(x), row,
 469                                                 y+first, cleared);
 470                         y += row->height();
 471                         yf += row->height();
 472                         row = row->next();
 473                 }
 474         } else if (!locked) {
 475                 if (need_update & CURSOR) {
 476                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 477                         lt->clearSelection();
 478                         lt->selection.cursor = lt->cursor;
 479                 }
 480                 bv->screen()->update(lt, bv, y_offset, int(x));
 481         } else {
 482                 locked = false;
 483                 if (need_update & SELECTION) {
 484                         bv->screen()->toggleToggle(lt, bv, y_offset, int(x));
 485                 } else if (need_update & CURSOR) {
 486                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 487                         lt->clearSelection();
 488                         lt->selection.cursor = lt->cursor;
 489                 }
 490                 bv->screen()->update(lt, bv, y_offset, int(x));
 491                 locked = true;
 492         }
 493
 494         lt->refresh_y = 0;
 495         lt->status(bv, LyXText::UNCHANGED);
 496         if ((need_update != CURSOR_PAR) &&
 497             ((drawFrame_ == ALWAYS) || ((drawFrame_ == LOCKED) && locked))) {
 498                 drawFrame(pain, cleared);
 499         } else if (need_update & CLEAR_FRAME) {
 500                 clearFrame(pain, cleared);
 501         }
 502
 503         x += insetWidth - TEXT_TO_INSET_OFFSET;
 504
 505         if (bv->text->status() == LyXText::CHANGED_IN_DRAW) {
 506                 need_update |= FULL;
 507         } else if (need_update != INIT) {
 508                 need_update = NONE;
 509         }
 510
 511         if (clear)
 512                 lt = 0;
 513 }
 514
 515
 516 void InsetText::drawFrame(Painter & pain, bool cleared) const
 517 {
 518         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 519         if (!frame_is_visible || cleared) {
 520                 frame_x = top_x + ttoD2;
 521                 frame_y = top_baseline - insetAscent + ttoD2;
 522                 frame_w = insetWidth - TEXT_TO_INSET_OFFSET;
 523                 frame_h = insetAscent + insetDescent - TEXT_TO_INSET_OFFSET;
 524                 pain.rectangle(frame_x, frame_y,
 525                                frame_w, frame_h,
 526                                frame_color);
 527                 frame_is_visible = true;
 528         }
 529 }
 530
 531
 532 void InsetText::clearFrame(Painter & pain, bool cleared) const
 533 {
 534         if (frame_is_visible) {
 535                 if (!cleared) {
 536                         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 537                                        backgroundColor());
 538                 }
 539                 frame_is_visible = false;
 540         }
 541 }
 542
 543
 544 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 545 {
 546         if (in_update) {
 547                 if (reinit && owner()) {
 548                         reinitLyXText();
 549                         owner()->update(bv, font, true);
 550                 }
 551                 return;
 552         }
 553         in_update = true;
 554         if (reinit || need_update == INIT) {
 555                 need_update = FULL;
 556                 // we should put this call where we set need_update to INIT!
 557                 reinitLyXText();
 558                 if (owner())
 559                         owner()->update(bv, font, true);
 560                 in_update = false;
 561                 return;
 562         }
 563         if (the_locking_inset) {
 564                 inset_x = cx(bv) - top_x + drawTextXOffset;
 565                 inset_y = cy(bv) + drawTextYOffset;
 566                 the_locking_inset->update(bv, font, reinit);
 567         }
 568
 569         bool clear = false;
 570         if (!lt) {
 571                 lt = getLyXText(bv);
 572                 clear = true;
 573         }
 574 #if 0
 575         int oldw = insetWidth;
 576         insetWidth = lt->width + (2 * TEXT_TO_INSET_OFFSET);
 577         if (oldw != insetWidth) {
 578                 resizeLyXText(bv);
 579                 need_update |= FULL;
 580                 if (clear)
 581                         lt = 0;
 582                 in_update = false;
 583                 return;
 584         }
 585 #endif
 586         if ((need_update & CURSOR_PAR) && (lt->status() == LyXText::UNCHANGED) &&
 587                 the_locking_inset)
 588         {
 589                 lt->updateInset(bv, the_locking_inset);
 590         }
 591         if (lt->status() == LyXText::NEED_MORE_REFRESH)
 592                 need_update |= FULL;
 593         if (clear)
 594                 lt = 0;
 595         in_update = false;
 596 }
 597
 598
 599 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 600 {
 601         bool clear = false;
 602         if (!lt) {
 603                 lt = getLyXText(bv);
 604                 clear = true;
 605         }
 606         need_update |= what;
 607         // we have to redraw us full if our LyXText NEEDS_MORE_REFRES or
 608         // if we don't break row so that we only have one row to update!
 609         if ((lt->status() == LyXText::NEED_MORE_REFRESH) ||
 610             (!autoBreakRows &&
 611              (lt->status() == LyXText::NEED_VERY_LITTLE_REFRESH)))
 612         {
 613                 need_update |= FULL;
 614         } else if (lt->status() == LyXText::NEED_VERY_LITTLE_REFRESH) {
 615                 need_update |= CURSOR_PAR;
 616         }
 617
 618         // this to not draw a selection when we redraw all of it!
 619         if (need_update & CURSOR && !(need_update & SELECTION)) {
 620                 if (lt->selection.set())
 621                         need_update = FULL;
 622                 lt->clearSelection();
 623         }
 624         if (clear)
 625                 lt = 0;
 626 }
 627
 628
 629 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty) const
 630 {
 631         bool clear = false;
 632         if (!lt) {
 633                 lt = getLyXText(bv);
 634                 clear = true;
 635         }
 636         lt->fullRebreak(bv);
 637         setUpdateStatus(bv, what);
 638         if (((need_update != CURSOR) && (need_update != NONE)) ||
 639             (lt->status() != LyXText::UNCHANGED) || lt->selection.set())
 640         {
 641                 bv->updateInset(const_cast<InsetText *>(this), mark_dirty);
 642         }
 643         if (need_update == CURSOR)
 644                 need_update = NONE;
 645         bv->owner()->showState();
 646         if (old_par != cpar(bv)) {
 647                 bv->owner()->setLayout(cpar(bv)->getLayout());
 648                 old_par = cpar(bv);
 649         }
 650         if (clear)
 651                 lt = 0;
 652 }
 653
 654
 655 string const InsetText::editMessage() const
 656 {
 657         return _("Opened Text Inset");
 658 }
 659
 660
 661 void InsetText::edit(BufferView * bv, int x, int y, unsigned int button)
 662 {
 663         UpdatableInset::edit(bv, x, y, button);
 664
 665         if (!bv->lockInset(this)) {
 666                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 667                 return;
 668         }
 669         locked = true;
 670         the_locking_inset = 0;
 671         inset_pos = inset_x = inset_y = 0;
 672         inset_boundary = false;
 673         inset_par = 0;
 674         old_par = 0;
 675         int tmp_y = (y < 0) ? 0 : y;
 676         bool clear = false;
 677         if (!lt) {
 678                 lt = getLyXText(bv);
 679                 clear = true;
 680         }
 681
 682         if (!checkAndActivateInset(bv, x, tmp_y, button))
 683                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 684                                             y + insetAscent);
 685         lt->clearSelection();
 686         finishUndo();
 687         showInsetCursor(bv);
 688         updateLocal(bv, CURSOR, false);
 689
 690         // If the inset is empty set the language of the current font to the
 691         // language to the surronding text (if different).
 692         if (par->size() == 0 && !par->next() &&
 693                 bv->getParentLanguage(this) != lt->current_font.language()) {
 694                 LyXFont font(LyXFont::ALL_IGNORE);
 695                 font.setLanguage(bv->getParentLanguage(this));
 696                 setFont(bv, font, false);
 697         }
 698         if (clear)
 699                 lt = 0;
 700 }
 701
 702
 703 void InsetText::edit(BufferView * bv, bool front)
 704 {
 705         UpdatableInset::edit(bv, front);
 706
 707         if (!bv->lockInset(this)) {
 708                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 709                 return;
 710         }
 711         locked = true;
 712         the_locking_inset = 0;
 713         inset_pos = inset_x = inset_y = 0;
 714         inset_boundary = false;
 715         inset_par = 0;
 716         old_par = 0;
 717         bool clear = false;
 718         if (!lt) {
 719                 lt = getLyXText(bv);
 720                 clear = true;
 721         }
 722         if (front)
 723                 lt->setCursor(bv, par, 0);
 724         else {
 725                 Paragraph * p = par;
 726                 while (p->next())
 727                         p = p->next();
 728 //              int const pos = (p->size() ? p->size()-1 : p->size());
 729                 lt->setCursor(bv, p, p->size());
 730         }
 731         lt->clearSelection();
 732         finishUndo();
 733         showInsetCursor(bv);
 734         updateLocal(bv, CURSOR, false);
 735
 736         // If the inset is empty set the language of the current font to the
 737         // language to the surronding text (if different).
 738         if (par->size() == 0 && !par->next() &&
 739                 bv->getParentLanguage(this) != lt->current_font.language()) {
 740                 LyXFont font(LyXFont::ALL_IGNORE);
 741                 font.setLanguage(bv->getParentLanguage(this));
 742                 setFont(bv, font, false);
 743         }
 744         if (clear)
 745                 lt = 0;
 746 }
 747
 748
 749 void InsetText::insetUnlock(BufferView * bv)
 750 {
 751         if (the_locking_inset) {
 752                 the_locking_inset->insetUnlock(bv);
 753                 the_locking_inset = 0;
 754         }
 755         hideInsetCursor(bv);
 756         no_selection = false;
 757         locked = false;
 758         int code;
 759         if (drawFrame_ == LOCKED)
 760                 code = CURSOR|CLEAR_FRAME;
 761         else
 762                 code = CURSOR;
 763         bool clear = false;
 764         if (!lt) {
 765                 lt = getLyXText(bv);
 766                 clear = true;
 767         }
 768         if (lt->selection.set()) {
 769                 lt->clearSelection();
 770                 code = FULL;
 771         } else if (owner()) {
 772                 bv->owner()->setLayout(owner()->getLyXText(bv)
 773                                        ->cursor.par()->getLayout());
 774         } else
 775                 bv->owner()->setLayout(bv->text->cursor.par()->getLayout());
 776         // hack for deleteEmptyParMech
 777         lt->setCursor(bv, par, 0);
 778         updateLocal(bv, code, false);
 779         if (clear)
 780                 lt = 0;
 781 }
 782
 783 void InsetText::lockInset(BufferView * bv, UpdatableInset * inset)
 784 {
 785         the_locking_inset = inset;
 786         inset_x = cx(bv) - top_x + drawTextXOffset;
 787         inset_y = cy(bv) + drawTextYOffset;
 788         inset_pos = cpos(bv);
 789         inset_par = cpar(bv);
 790         inset_boundary = cboundary(bv);
 791         updateLocal(bv, CURSOR, false);
 792 }
 793
 794
 795 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 796 {
 797         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 798                               << inset << "): ";
 799         if (!inset)
 800                 return false;
 801         if (!the_locking_inset) {
 802                 Paragraph * p = par;
 803                 int const id = inset->id();
 804                 while(p) {
 805                         Paragraph::inset_iterator it =
 806                                 p->inset_iterator_begin();
 807                         Paragraph::inset_iterator const end =
 808                                 p->inset_iterator_end();
 809                         for (; it != end; ++it) {
 810                                 if ((*it) == inset) {
 811                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 812                                         lockInset(bv, inset);
 813                                         return true;
 814                                 }
 815                                 if ((*it)->getInsetFromID(id)) {
 816                                         lockInset(bv, static_cast<UpdatableInset *>(*it));
 817                                         return the_locking_inset->lockInsetInInset(bv, inset);
 818                                 }
 819                         }
 820                         p = p->next();
 821                 }
 822                 return false;
 823         }
 824         if (inset == cpar(bv)->getInset(cpos(bv))) {
 825                 lyxerr[Debug::INSETS] << "OK" << endl;
 826                 lockInset(bv, inset);
 827                 return true;
 828         } else if (the_locking_inset && (the_locking_inset == inset)) {
 829                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 830                         lyxerr[Debug::INSETS] << "OK" << endl;
 831                         inset_x = cx(bv) - top_x + drawTextXOffset;
 832                         inset_y = cy(bv) + drawTextYOffset;
 833                 } else {
 834                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 835                 }
 836         } else if (the_locking_inset) {
 837                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 838                 return the_locking_inset->lockInsetInInset(bv, inset);
 839         }
 840         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 841         return false;
 842 }
 843
 844
 845 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 846                                    bool lr)
 847 {
 848         if (!the_locking_inset)
 849                 return false;
 850         if (the_locking_inset == inset) {
 851                 the_locking_inset->insetUnlock(bv);
 852                 getLyXText(bv)->updateInset(bv, inset);
 853                 the_locking_inset = 0;
 854                 if (lr)
 855                         moveRight(bv, false);
 856                 old_par = 0; // force layout setting
 857                 if (scroll())
 858                         scroll(bv, 0.0F);
 859                 else
 860                         updateLocal(bv, CURSOR, false);
 861                 return true;
 862         }
 863         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 864 }
 865
 866
 867 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 868 {
 869         bool clear = false;
 870         if (!lt) {
 871                 lt = getLyXText(bv);
 872                 clear = true;
 873         }
 874         if (!the_locking_inset) {
 875                 bool found = lt->updateInset(bv, inset);
 876                 if (clear)
 877                         lt = 0;
 878                 if (found)
 879                         setUpdateStatus(bv, NONE);
 880                 return found;
 881         }
 882         if (the_locking_inset != inset) {
 883 #if 0
 884                 lt->updateInset(bv, the_locking_inset);
 885                 setUpdateStatus(bv, CURSOR_PAR);
 886 #endif
 887                 bool found = the_locking_inset->updateInsetInInset(bv, inset);
 888                 if (clear)
 889                         lt = 0;
 890                 if (found)
 891                         setUpdateStatus(bv, CURSOR_PAR);
 892                 return found;
 893         }
 894         bool found = lt->updateInset(bv, inset);
 895         if (clear)
 896                 lt = 0;
 897         if (found) {
 898                 setUpdateStatus(bv, CURSOR_PAR);
 899 #if 0
 900                 updateLocal(bv, CURSOR_PAR, false);
 901 #endif
 902                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 903                         inset_x = cx(bv) - top_x + drawTextXOffset;
 904                         inset_y = cy(bv) + drawTextYOffset;
 905                 }
 906         }
 907         return found;
 908 }
 909
 910
 911 void InsetText::insetButtonPress(BufferView * bv, int x, int y, int button)
 912 {
 913         no_selection = true;
 914
 915         int tmp_x = x - drawTextXOffset;
 916         int tmp_y = y + insetAscent - getLyXText(bv)->first;
 917         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y, button);
 918
 919         hideInsetCursor(bv);
 920         if (the_locking_inset) {
 921                 if (the_locking_inset == inset) {
 922                         the_locking_inset->insetButtonPress(bv,x-inset_x,y-inset_y,button);
 923                         no_selection = false;
 924                         return;
 925                 } else if (inset) {
 926                         // otherwise unlock the_locking_inset and lock the new inset
 927                         the_locking_inset->insetUnlock(bv);
 928                         inset_x = cx(bv) - top_x + drawTextXOffset;
 929                         inset_y = cy(bv) + drawTextYOffset;
 930                         the_locking_inset = static_cast<UpdatableInset*>(inset);
 931                         inset->insetButtonPress(bv, x - inset_x, y - inset_y, button);
 932                         inset->edit(bv, x - inset_x, y - inset_y, button);
 933                         if (the_locking_inset)
 934                                 updateLocal(bv, CURSOR, false);
 935                         no_selection = false;
 936                         return;
 937                 }
 938                 // otherwise only unlock the_locking_inset
 939                 the_locking_inset->insetUnlock(bv);
 940                 the_locking_inset = 0;
 941         }
 942         if (bv->theLockingInset()) {
 943                 if (isHighlyEditableInset(inset)) {
 944                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 945                         inset_x = cx(bv) - top_x + drawTextXOffset;
 946                         inset_y = cy(bv) + drawTextYOffset;
 947                         inset_pos = cpos(bv);
 948                         inset_par = cpar(bv);
 949                         inset_boundary = cboundary(bv);
 950                         the_locking_inset = uinset;
 951                         uinset->insetButtonPress(bv, x - inset_x, y - inset_y,
 952                                                  button);
 953                         uinset->edit(bv, x - inset_x, y - inset_y, 0);
 954                         if (the_locking_inset)
 955                                 updateLocal(bv, CURSOR, false);
 956                         no_selection = false;
 957                         return;
 958                 }
 959         }
 960         if (!inset) { // && (button == 2)) {
 961                 bool paste_internally = false;
 962                 if ((button == 2) && getLyXText(bv)->selection.set()) {
 963                         localDispatch(bv, LFUN_COPY, "");
 964                         paste_internally = true;
 965                 }
 966                 bool clear = false;
 967                 if (!lt) {
 968                         lt = getLyXText(bv);
 969                         clear = true;
 970                 }
 971                 lt->setCursorFromCoordinates(bv, x-drawTextXOffset, y + insetAscent);
 972                 if (lt->selection.set()) {
 973                         lt->clearSelection();
 974                         updateLocal(bv, FULL, false);
 975                 } else {
 976                         lt->clearSelection();
 977                 }
 978                 bv->owner()->setLayout(cpar(bv)->getLayout());
 979                 old_par = cpar(bv);
 980                 // Insert primary selection with middle mouse
 981                 // if there is a local selection in the current buffer,
 982                 // insert this
 983                 if (button == 2) {
 984                         if (paste_internally)
 985                                 localDispatch(bv, LFUN_PASTE, "");
 986                         else
 987                                 localDispatch(bv, LFUN_PASTESELECTION,
 988                                               "paragraph");
 989                 }
 990                 if (clear)
 991                         lt = 0;
 992         }
 993         showInsetCursor(bv);
 994         no_selection = false;
 995 }
 996
 997
 998 void InsetText::insetButtonRelease(BufferView * bv, int x, int y, int button)
 999 {
1000         UpdatableInset * inset = 0;
1001
1002         if (the_locking_inset) {
1003                 the_locking_inset->insetButtonRelease(bv,
1004                                                       x - inset_x, y - inset_y,
1005                                                       button);
1006         } else {
1007                 if (cpar(bv)->isInset(cpos(bv))) {
1008                         inset = static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1009                         if (isHighlyEditableInset(inset)) {
1010                                 inset->insetButtonRelease(bv,
1011                                                           x - inset_x,
1012                                                           y - inset_y, button);
1013                         } else {
1014                                 inset_x = cx(bv) - top_x + drawTextXOffset;
1015                                 inset_y = cy(bv) + drawTextYOffset;
1016                                 inset->insetButtonRelease(bv,
1017                                                           x - inset_x,
1018                                                           y - inset_y, button);
1019                                 inset->edit(bv,
1020                                             x - inset_x, y - inset_y, button);
1021                         }
1022                         updateLocal(bv, CURSOR_PAR, false);
1023                 }
1024         }
1025         no_selection = false;
1026 }
1027
1028
1029 void InsetText::insetMotionNotify(BufferView * bv, int x, int y, int state)
1030 {
1031         if (no_selection)
1032                 return;
1033         if (the_locking_inset) {
1034                 the_locking_inset->insetMotionNotify(bv, x - inset_x,
1035                                                      y - inset_y,state);
1036                 return;
1037         }
1038         bool clear = false;
1039         if (!lt) {
1040                 lt = getLyXText(bv);
1041                 clear = true;
1042         }
1043         hideInsetCursor(bv);
1044         lt->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
1045         lt->setSelection(bv);
1046         if (lt->toggle_cursor.par() != lt->toggle_end_cursor.par() ||
1047                 lt->toggle_cursor.pos() != lt->toggle_end_cursor.pos())
1048         {
1049                 updateLocal(bv, SELECTION, false);
1050         }
1051         showInsetCursor(bv);
1052         if (clear)
1053                 lt = 0;
1054 }
1055
1056
1057 void InsetText::insetKeyPress(XKeyEvent * xke)
1058 {
1059         if (the_locking_inset) {
1060                 the_locking_inset->insetKeyPress(xke);
1061                 return;
1062         }
1063 }
1064
1065
1066 UpdatableInset::RESULT
1067 InsetText::localDispatch(BufferView * bv,
1068                          kb_action action, string const & arg)
1069 {
1070         bool was_empty = par->size() == 0 && !par->next();
1071         no_selection = false;
1072         UpdatableInset::RESULT
1073                 result= UpdatableInset::localDispatch(bv, action, arg);
1074         if (result != UNDISPATCHED) {
1075                 return DISPATCHED;
1076         }
1077
1078         result = DISPATCHED;
1079         if ((action < 0) && arg.empty())
1080                 return FINISHED;
1081
1082         if (the_locking_inset) {
1083                 result = the_locking_inset->localDispatch(bv, action, arg);
1084                 if (result == DISPATCHED_NOUPDATE)
1085                         return result;
1086                 else if (result == DISPATCHED) {
1087                         updateLocal(bv, CURSOR_PAR, false);
1088                         return result;
1089                 } else if (result >= FINISHED) {
1090                         switch(result) {
1091                         case FINISHED_RIGHT:
1092                                 moveRightIntern(bv, false, false);
1093                                 result = DISPATCHED;
1094                                 break;
1095                         case FINISHED_UP:
1096                                 if ((result = moveUp(bv)) >= FINISHED) {
1097                                         updateLocal(bv, CURSOR, false);
1098                                         bv->unlockInset(this);
1099                                 }
1100                                 break;
1101                         case FINISHED_DOWN:
1102                                 if ((result = moveDown(bv)) >= FINISHED) {
1103                                         updateLocal(bv, CURSOR, false);
1104                                         bv->unlockInset(this);
1105                                 }
1106                                 break;
1107                         default:
1108                                 result = DISPATCHED;
1109                                 break;
1110                         }
1111                         the_locking_inset = 0;
1112 #ifdef WITH_WARNINGS
1113 #warning I changed this to always return Dispatched maybe it is wrong (20011001 Jug)
1114 #endif
1115                         return result;
1116                 }
1117         }
1118         hideInsetCursor(bv);
1119         bool clear = false;
1120         if (!lt) {
1121                 lt = getLyXText(bv);
1122                 clear = true;
1123         }
1124         switch (action) {
1125         // Normal chars
1126         case LFUN_SELFINSERT:
1127                 if (bv->buffer()->isReadonly()) {
1128 //          setErrorMessage(N_("Document is read only"));
1129                         break;
1130                 }
1131                 if (!arg.empty()) {
1132                         /* Automatically delete the currently selected
1133                          * text and replace it with what is being
1134                          * typed in now. Depends on lyxrc settings
1135                          * "auto_region_delete", which defaults to
1136                          * true (on). */
1137
1138                         setUndo(bv, Undo::INSERT,
1139                                 lt->cursor.par(), lt->cursor.par()->next());
1140                         bv->setState();
1141                         if (lyxrc.auto_region_delete) {
1142                                 if (lt->selection.set()) {
1143                                         lt->cutSelection(bv, false);
1144                                 }
1145                         }
1146                         lt->clearSelection();
1147                         for (string::size_type i = 0; i < arg.length(); ++i) {
1148                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], lt);
1149                         }
1150                 }
1151                 lt->selection.cursor = lt->cursor;
1152                 updateLocal(bv, CURSOR_PAR, true);
1153                 result = DISPATCHED_NOUPDATE;
1154                 break;
1155                 // --- Cursor Movements -----------------------------------
1156         case LFUN_RIGHTSEL:
1157                 finishUndo();
1158                 moveRight(bv, false, true);
1159                 lt->setSelection(bv);
1160                 updateLocal(bv, SELECTION, false);
1161                 break;
1162         case LFUN_RIGHT:
1163                 result = moveRight(bv);
1164                 finishUndo();
1165                 updateLocal(bv, CURSOR, false);
1166                 break;
1167         case LFUN_LEFTSEL:
1168                 finishUndo();
1169                 moveLeft(bv, false, true);
1170                 lt->setSelection(bv);
1171                 updateLocal(bv, SELECTION, false);
1172                 break;
1173         case LFUN_LEFT:
1174                 finishUndo();
1175                 result = moveLeft(bv);
1176                 updateLocal(bv, CURSOR, false);
1177                 break;
1178         case LFUN_DOWNSEL:
1179                 finishUndo();
1180                 moveDown(bv);
1181                 lt->setSelection(bv);
1182                 updateLocal(bv, SELECTION, false);
1183                 break;
1184         case LFUN_DOWN:
1185                 finishUndo();
1186                 result = moveDown(bv);
1187                 updateLocal(bv, CURSOR, false);
1188                 break;
1189         case LFUN_UPSEL:
1190                 finishUndo();
1191                 moveUp(bv);
1192                 lt->setSelection(bv);
1193                 updateLocal(bv, SELECTION, false);
1194                 break;
1195         case LFUN_UP:
1196                 finishUndo();
1197                 result = moveUp(bv);
1198                 updateLocal(bv, CURSOR, false);
1199                 break;
1200         case LFUN_HOME:
1201                 finishUndo();
1202                 lt->cursorHome(bv);
1203                 updateLocal(bv, CURSOR, false);
1204                 break;
1205         case LFUN_END:
1206                 lt->cursorEnd(bv);
1207                 updateLocal(bv, CURSOR, false);
1208                 break;
1209         case LFUN_BACKSPACE: {
1210                 setUndo(bv, Undo::DELETE,
1211                         lt->cursor.par(), lt->cursor.par()->next());
1212                 if (lt->selection.set())
1213                         lt->cutSelection(bv);
1214                 else
1215                         lt->backspace(bv);
1216                 updateLocal(bv, CURSOR_PAR, true);
1217         }
1218         break;
1219
1220         case LFUN_DELETE: {
1221                 setUndo(bv, Undo::DELETE,
1222                         lt->cursor.par(), lt->cursor.par()->next());
1223                 if (lt->selection.set()) {
1224                         lt->cutSelection(bv);
1225                 } else {
1226                         lt->Delete(bv);
1227                 }
1228                 updateLocal(bv, CURSOR_PAR, true);
1229         }
1230         break;
1231
1232         case LFUN_CUT: {
1233                 setUndo(bv, Undo::DELETE,
1234                         lt->cursor.par(), lt->cursor.par()->next());
1235                 lt->cutSelection(bv);
1236                 updateLocal(bv, CURSOR_PAR, true);
1237         }
1238         break;
1239
1240         case LFUN_COPY:
1241                 finishUndo();
1242                 lt->copySelection(bv);
1243                 updateLocal(bv, CURSOR_PAR, false);
1244                 break;
1245         case LFUN_PASTESELECTION:
1246         {
1247                 string const clip(bv->getClipboard());
1248
1249                 if (clip.empty())
1250                         break;
1251                 if (arg == "paragraph") {
1252                         lt->insertStringAsParagraphs(bv, clip);
1253                 } else {
1254                         lt->insertStringAsLines(bv, clip);
1255                 }
1256                 updateLocal(bv, CURSOR_PAR, true);
1257                 break;
1258         }
1259         case LFUN_PASTE: {
1260                 if (!autoBreakRows) {
1261
1262                         if (CutAndPaste::nrOfParagraphs() > 1) {
1263                                 Alert::alert(_("Impossible operation"),
1264                                                    _("Cannot include more than one paragraph!"),
1265                                                    _("Sorry."));
1266                                 break;
1267                         }
1268                 }
1269                 setUndo(bv, Undo::INSERT,
1270                         lt->cursor.par(), lt->cursor.par()->next());
1271                 lt->pasteSelection(bv);
1272                 updateLocal(bv, CURSOR_PAR, true);
1273         }
1274         break;
1275
1276         case LFUN_BREAKPARAGRAPH:
1277                 if (!autoBreakRows) {
1278                         result = DISPATCHED;
1279                         break;
1280                 }
1281                 lt->breakParagraph(bv, 0);
1282                 updateLocal(bv, FULL, true);
1283                 break;
1284         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1285                 if (!autoBreakRows) {
1286                         result = DISPATCHED;
1287                         break;
1288                 }
1289                 lt->breakParagraph(bv, 1);
1290                 updateLocal(bv, FULL, true);
1291                 break;
1292
1293         case LFUN_BREAKLINE: {
1294                 if (!autoBreakRows) {
1295                         result = DISPATCHED;
1296                         break;
1297                 }
1298                 setUndo(bv, Undo::INSERT,
1299                         lt->cursor.par(), lt->cursor.par()->next());
1300                 lt->insertChar(bv, Paragraph::META_NEWLINE);
1301                 updateLocal(bv, CURSOR_PAR, true);
1302         }
1303         break;
1304
1305         case LFUN_LAYOUT:
1306                 // do not set layouts on non breakable textinsets
1307                 if (autoBreakRows) {
1308                         layout_type cur_layout = cpar(bv)->layout;
1309
1310                         // Derive layout number from given argument (string)
1311                         // and current buffer's textclass (number). */
1312                         textclass_type tclass = bv->buffer()->params.textclass;
1313                         std::pair <bool, layout_type> layout =
1314                                 textclasslist.NumberOfLayout(tclass, arg);
1315
1316                         // If the entry is obsolete, use the new one instead.
1317                         if (layout.first) {
1318                                 string obs = textclasslist.Style(tclass,layout.second).
1319                                         obsoleted_by();
1320                                 if (!obs.empty())
1321                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1322                         }
1323
1324                         // see if we found the layout number:
1325                         if (!layout.first) {
1326                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1327                                 bv->owner()->getLyXFunc()->dispatch(LFUN_MESSAGE, msg);
1328                                 break;
1329                         }
1330
1331                         if (cur_layout != layout.second) {
1332                                 cur_layout = layout.second;
1333                                 lt->setLayout(bv, layout.second);
1334                                 bv->owner()->setLayout(cpar(bv)->getLayout());
1335                                 updateLocal(bv, CURSOR_PAR, true);
1336                         }
1337                 } else {
1338                         // reset the layout box
1339                         bv->owner()->setLayout(cpar(bv)->getLayout());
1340                 }
1341                 break;
1342         case LFUN_PARAGRAPH_SPACING:
1343                 // This one is absolutely not working. When fiddling with this
1344                 // it also seems to me that the paragraphs inside the insettext
1345                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1346         {
1347                 Paragraph * par = lt->cursor.par();
1348                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1349                 float cur_value = 1.0;
1350                 if (cur_spacing == Spacing::Other) {
1351                         cur_value = par->params().spacing().getValue();
1352                 }
1353
1354                 istringstream istr(arg.c_str());
1355                 string tmp;
1356                 istr >> tmp;
1357                 Spacing::Space new_spacing = cur_spacing;
1358                 float new_value = cur_value;
1359                 if (tmp.empty()) {
1360                         lyxerr << "Missing argument to `paragraph-spacing'"
1361                                    << endl;
1362                 } else if (tmp == "single") {
1363                         new_spacing = Spacing::Single;
1364                 } else if (tmp == "onehalf") {
1365                         new_spacing = Spacing::Onehalf;
1366                 } else if (tmp == "double") {
1367                         new_spacing = Spacing::Double;
1368                 } else if (tmp == "other") {
1369                         new_spacing = Spacing::Other;
1370                         float tmpval = 0.0;
1371                         istr >> tmpval;
1372                         lyxerr << "new_value = " << tmpval << endl;
1373                         if (tmpval != 0.0)
1374                                 new_value = tmpval;
1375                 } else if (tmp == "default") {
1376                         new_spacing = Spacing::Default;
1377                 } else {
1378                         lyxerr << _("Unknown spacing argument: ")
1379                                    << arg << endl;
1380                 }
1381                 if (cur_spacing != new_spacing || cur_value != new_value) {
1382                         par->params().spacing(Spacing(new_spacing, new_value));
1383                         updateLocal(bv, CURSOR_PAR, true);
1384                 }
1385         }
1386         break;
1387
1388         default:
1389                 if (!bv->Dispatch(action, arg))
1390                         result = UNDISPATCHED;
1391                 break;
1392         }
1393
1394         /// If the action has deleted all text in the inset, we need to change the
1395         // language to the language of the surronding text.
1396         if (!was_empty && par->size() == 0 && !par->next()) {
1397                 LyXFont font(LyXFont::ALL_IGNORE);
1398                 font.setLanguage(bv->getParentLanguage(this));
1399                 setFont(bv, font, false);
1400         }
1401
1402         if (result < FINISHED) {
1403                 showInsetCursor(bv);
1404         } else
1405                 bv->unlockInset(this);
1406         if (clear)
1407                 lt = 0;
1408         return result;
1409 }
1410
1411
1412 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1413 {
1414         TexRow texrow;
1415         buf->latexParagraphs(os, par, 0, texrow);
1416         return texrow.rows();
1417 }
1418
1419
1420 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1421 {
1422         Paragraph * p = par;
1423         unsigned int lines = 0;
1424
1425         while (p) {
1426                 string const tmp = buf->asciiParagraph(p, linelen);
1427                 lines += countChar(tmp, '\n');
1428                 os << tmp;
1429                 p = p->next();
1430         }
1431         return lines;
1432 }
1433
1434
1435 int InsetText::docbook(Buffer const * buf, ostream & os) const
1436 {
1437         Paragraph * p = par;
1438         unsigned int lines = 0;
1439
1440         vector<string> environment_stack(10);
1441         vector<string> environment_inner(10);
1442
1443         int const command_depth = 0;
1444         string item_name;
1445
1446         Paragraph::depth_type depth = 0; // paragraph depth
1447
1448         while (p) {
1449                 string sgmlparam;
1450                 int desc_on = 0; // description mode
1451
1452                 LyXLayout const & style =
1453                         textclasslist.Style(buf->params.textclass,
1454                                             p->layout);
1455
1456                 // environment tag closing
1457                 for (; depth > p->params().depth(); --depth) {
1458                         if (environment_inner[depth] != "!-- --") {
1459                                 item_name = "listitem";
1460                                 buf->sgmlCloseTag(os, command_depth + depth,
1461                                              item_name);
1462                                 if (environment_inner[depth] == "varlistentry")
1463                                         buf->sgmlCloseTag(os, depth+command_depth,
1464                                                      environment_inner[depth]);
1465                         }
1466                         buf->sgmlCloseTag(os, depth + command_depth,
1467                                      environment_stack[depth]);
1468                         environment_stack[depth].erase();
1469                         environment_inner[depth].erase();
1470                 }
1471
1472                 if (depth == p->params().depth()
1473                    && environment_stack[depth] != style.latexname()
1474                    && !environment_stack[depth].empty()) {
1475                         if (environment_inner[depth] != "!-- --") {
1476                                 item_name= "listitem";
1477                                 buf->sgmlCloseTag(os, command_depth+depth,
1478                                                   item_name);
1479                                 if (environment_inner[depth] == "varlistentry")
1480                                         buf->sgmlCloseTag(os,
1481                                                           depth + command_depth,
1482                                                           environment_inner[depth]);
1483                         }
1484
1485                         buf->sgmlCloseTag(os, depth + command_depth,
1486                                           environment_stack[depth]);
1487
1488                         environment_stack[depth].erase();
1489                         environment_inner[depth].erase();
1490                 }
1491
1492                 // Write opening SGML tags.
1493                 switch (style.latextype) {
1494                 case LATEX_PARAGRAPH:
1495                         buf->sgmlOpenTag(os, depth + command_depth,
1496                                          style.latexname());
1497                         break;
1498
1499                 case LATEX_COMMAND:
1500                         buf->sgmlError(p, 0,
1501                                        _("Error : LatexType Command not allowed here.\n"));
1502                         return -1;
1503                         break;
1504
1505                 case LATEX_ENVIRONMENT:
1506                 case LATEX_ITEM_ENVIRONMENT:
1507                         if (depth < p->params().depth()) {
1508                                 depth = p->params().depth();
1509                                 environment_stack[depth].erase();
1510                         }
1511
1512                         if (environment_stack[depth] != style.latexname()) {
1513                                 if(environment_stack.size() == depth + 1) {
1514                                         environment_stack.push_back("!-- --");
1515                                         environment_inner.push_back("!-- --");
1516                                 }
1517                                 environment_stack[depth] = style.latexname();
1518                                 environment_inner[depth] = "!-- --";
1519                                 buf->sgmlOpenTag(os, depth + command_depth,
1520                                                  environment_stack[depth]);
1521                         } else {
1522                                 if (environment_inner[depth] != "!-- --") {
1523                                         item_name= "listitem";
1524                                         buf->sgmlCloseTag(os,
1525                                                           command_depth + depth,
1526                                                           item_name);
1527                                         if (environment_inner[depth] == "varlistentry")
1528                                                 buf->sgmlCloseTag(os,
1529                                                                   depth + command_depth,
1530                                                                   environment_inner[depth]);
1531                                 }
1532                         }
1533
1534                         if (style.latextype == LATEX_ENVIRONMENT) {
1535                                 if (!style.latexparam().empty()) {
1536                                         if(style.latexparam() == "CDATA")
1537                                                 os << "<![CDATA[";
1538                                         else
1539                                                 buf->sgmlOpenTag(os, depth + command_depth,
1540                                                                  style.latexparam());
1541                                 }
1542                                 break;
1543                         }
1544
1545                         desc_on = (style.labeltype == LABEL_MANUAL);
1546
1547                         if (desc_on)
1548                                 environment_inner[depth]= "varlistentry";
1549                         else
1550                                 environment_inner[depth]= "listitem";
1551
1552                         buf->sgmlOpenTag(os, depth + 1 + command_depth,
1553                                          environment_inner[depth]);
1554
1555                         if (desc_on) {
1556                                 item_name= "term";
1557                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1558                                                  item_name);
1559                         } else {
1560                                 item_name= "para";
1561                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1562                                                  item_name);
1563                         }
1564                         break;
1565                 default:
1566                         buf->sgmlOpenTag(os, depth + command_depth,
1567                                          style.latexname());
1568                         break;
1569                 }
1570
1571                 buf->simpleDocBookOnePar(os, p, desc_on,
1572                                          depth + 1 + command_depth);
1573                 p = p->next();
1574
1575                 string end_tag;
1576                 // write closing SGML tags
1577                 switch (style.latextype) {
1578                 case LATEX_ENVIRONMENT:
1579                         if (!style.latexparam().empty()) {
1580                                 if(style.latexparam() == "CDATA")
1581                                         os << "]]>";
1582                                 else
1583                                         buf->sgmlCloseTag(os, depth + command_depth,
1584                                                           style.latexparam());
1585                         }
1586                         break;
1587                 case LATEX_ITEM_ENVIRONMENT:
1588                         if (desc_on == 1) break;
1589                         end_tag= "para";
1590                         buf->sgmlCloseTag(os, depth + 1 + command_depth, end_tag);
1591                         break;
1592                 case LATEX_PARAGRAPH:
1593                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1594                         break;
1595                 default:
1596                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1597                         break;
1598                 }
1599         }
1600
1601         // Close open tags
1602         for (int d = depth; d >= 0; --d) {
1603                 if (!environment_stack[depth].empty()) {
1604                         if (environment_inner[depth] != "!-- --") {
1605                                 item_name = "listitem";
1606                                 buf->sgmlCloseTag(os, command_depth + depth,
1607                                                   item_name);
1608                                if (environment_inner[depth] == "varlistentry")
1609                                        buf->sgmlCloseTag(os, depth + command_depth,
1610                                                          environment_inner[depth]);
1611                         }
1612
1613                         buf->sgmlCloseTag(os, depth + command_depth,
1614                                           environment_stack[depth]);
1615                 }
1616         }
1617
1618         return lines;
1619 }
1620
1621
1622 void InsetText::validate(LaTeXFeatures & features) const
1623 {
1624         Paragraph * p = par;
1625         while (p) {
1626                 p->validate(features);
1627                 p = p->next();
1628         }
1629 }
1630
1631
1632 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1633 {
1634         if (textclasslist.Style(buf->params.textclass,
1635                                 p->getLayout()).labeltype != LABEL_MANUAL)
1636                 return 0;
1637         else
1638                 return p->beginningOfMainBody();
1639 }
1640
1641
1642 void InsetText::getCursorPos(BufferView * bv,
1643                              int & x, int & y) const
1644 {
1645         if (the_locking_inset) {
1646                 the_locking_inset->getCursorPos(bv, x, y);
1647                 return;
1648         }
1649         x = cx(bv);
1650         y = cy(bv);
1651 }
1652
1653
1654 unsigned int InsetText::insetInInsetY()
1655 {
1656         if (!the_locking_inset)
1657                 return 0;
1658
1659         return (inset_y + the_locking_inset->insetInInsetY());
1660 }
1661
1662
1663 void InsetText::toggleInsetCursor(BufferView * bv)
1664 {
1665         if (the_locking_inset) {
1666                 the_locking_inset->toggleInsetCursor(bv);
1667                 return;
1668         }
1669
1670         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1671
1672         int const asc = lyxfont::maxAscent(font);
1673         int const desc = lyxfont::maxDescent(font);
1674
1675         if (isCursorVisible())
1676                 bv->hideLockedInsetCursor();
1677         else
1678                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1679         toggleCursorVisible();
1680 }
1681
1682
1683 void InsetText::showInsetCursor(BufferView * bv, bool show)
1684 {
1685         if (the_locking_inset) {
1686                 the_locking_inset->showInsetCursor(bv, show);
1687                 return;
1688         }
1689         if (!isCursorVisible()) {
1690                 LyXFont const font =
1691                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1692
1693                 int const asc = lyxfont::maxAscent(font);
1694                 int const desc = lyxfont::maxDescent(font);
1695
1696                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1697                 if (show)
1698                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1699                 setCursorVisible(true);
1700         }
1701 }
1702
1703
1704 void InsetText::hideInsetCursor(BufferView * bv)
1705 {
1706         if (isCursorVisible()) {
1707                 bv->hideLockedInsetCursor();
1708                 setCursorVisible(false);
1709         }
1710         if (the_locking_inset)
1711                 the_locking_inset->hideInsetCursor(bv);
1712 }
1713
1714
1715 void InsetText::fitInsetCursor(BufferView * bv) const
1716 {
1717         if (the_locking_inset) {
1718                 the_locking_inset->fitInsetCursor(bv);
1719                 return;
1720         }
1721         LyXFont const font =
1722                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1723
1724         int const asc = lyxfont::maxAscent(font);
1725         int const desc = lyxfont::maxDescent(font);
1726
1727         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1728 }
1729
1730
1731 UpdatableInset::RESULT
1732 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1733 {
1734         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1735                 return moveLeftIntern(bv, false, activate_inset, selecting);
1736         else
1737                 return moveRightIntern(bv, false, activate_inset, selecting);
1738 }
1739
1740
1741 UpdatableInset::RESULT
1742 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1743 {
1744         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1745                 return moveRightIntern(bv, true, activate_inset, selecting);
1746         else
1747                 return moveLeftIntern(bv, true, activate_inset, selecting);
1748 }
1749
1750
1751 UpdatableInset::RESULT
1752 InsetText::moveRightIntern(BufferView * bv, bool behind,
1753                            bool activate_inset, bool selecting)
1754 {
1755         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1756                 return FINISHED_RIGHT;
1757         if (activate_inset && checkAndActivateInset(bv, behind))
1758                 return DISPATCHED;
1759         getLyXText(bv)->cursorRight(bv);
1760         if (!selecting)
1761                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1762         return DISPATCHED_NOUPDATE;
1763 }
1764
1765
1766 UpdatableInset::RESULT
1767 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1768                           bool activate_inset, bool selecting)
1769 {
1770         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1771                 return FINISHED;
1772         getLyXText(bv)->cursorLeft(bv);
1773         if (!selecting)
1774                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1775         if (activate_inset && checkAndActivateInset(bv, behind))
1776                 return DISPATCHED;
1777         return DISPATCHED_NOUPDATE;
1778 }
1779
1780
1781 UpdatableInset::RESULT
1782 InsetText::moveUp(BufferView * bv)
1783 {
1784         if (!crow(bv)->previous())
1785                 return FINISHED_UP;
1786         getLyXText(bv)->cursorUp(bv);
1787         return DISPATCHED_NOUPDATE;
1788 }
1789
1790
1791 UpdatableInset::RESULT
1792 InsetText::moveDown(BufferView * bv)
1793 {
1794         if (!crow(bv)->next())
1795                 return FINISHED_DOWN;
1796         getLyXText(bv)->cursorDown(bv);
1797         return DISPATCHED_NOUPDATE;
1798 }
1799
1800
1801 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1802 {
1803         if (the_locking_inset) {
1804                 if (the_locking_inset->insetAllowed(inset))
1805                         return the_locking_inset->insertInset(bv, inset);
1806                 return false;
1807         }
1808         inset->setOwner(this);
1809         hideInsetCursor(bv);
1810
1811         bool clear = false;
1812         if (!lt) {
1813                 lt = getLyXText(bv);
1814                 clear = true;
1815         }
1816         lt->insertInset(bv, inset);
1817 #if 0
1818         if ((!cpar(bv)->isInset(cpos(bv))) ||
1819                 (cpar(bv)->getInset(cpos(bv)) != inset))
1820                 lt->cursorLeft(bv);
1821 #endif
1822         bv->fitCursor();
1823         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1824 //      showInsetCursor(bv);
1825         if (clear)
1826                 lt = 0;
1827         return true;
1828 }
1829
1830
1831 bool InsetText::insetAllowed(Inset::Code code) const
1832 {
1833         // in_insetAllowed is a really gross hack,
1834         // to allow us to call the owner's insetAllowed
1835         // without stack overflow, which can happen
1836         // when the owner uses InsetCollapsable::insetAllowed()
1837         bool ret = true;
1838         if (in_insetAllowed)
1839                 return ret;
1840         in_insetAllowed = true;
1841         if (the_locking_inset)
1842                 ret = the_locking_inset->insetAllowed(code);
1843         else if (owner())
1844                 ret = owner()->insetAllowed(code);
1845         in_insetAllowed = false;
1846         return ret;
1847 }
1848
1849
1850 UpdatableInset * InsetText::getLockingInset() const
1851 {
1852         return the_locking_inset ? the_locking_inset->getLockingInset() :
1853                 const_cast<InsetText *>(this);
1854 }
1855
1856
1857 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1858 {
1859         if (c == lyxCode())
1860                 return this;
1861         if (the_locking_inset)
1862                 return the_locking_inset->getFirstLockingInsetOfType(c);
1863         return 0;
1864 }
1865
1866
1867 bool InsetText::showInsetDialog(BufferView * bv) const
1868 {
1869         if (the_locking_inset)
1870                 return the_locking_inset->showInsetDialog(bv);
1871         return false;
1872 }
1873
1874
1875 std::vector<string> const InsetText::getLabelList() const
1876 {
1877         std::vector<string> label_list;
1878
1879         Paragraph * tpar = par;
1880         while (tpar) {
1881                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1882                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1883                 for (; beg != end; ++beg) {
1884                         std::vector<string> const l = (*beg)->getLabelList();
1885                         label_list.insert(label_list.end(), l.begin(), l.end());
1886                 }
1887                 tpar = tpar->next();
1888         }
1889         return label_list;
1890 }
1891
1892
1893 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1894                         bool selectall)
1895 {
1896         if (the_locking_inset) {
1897                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1898                 return;
1899         }
1900         if ((!par->next() && !par->size()) || !cpar(bv)->size()) {
1901                 getLyXText(bv)->setFont(bv, font, toggleall);
1902                 return;
1903         }
1904         bool clear = false;
1905         if (!lt) {
1906                 lt = getLyXText(bv);
1907                 clear = true;
1908         }
1909         if (lt->selection.set()) {
1910                 setUndo(bv, Undo::EDIT, lt->cursor.par(), lt->cursor.par()->next());
1911         }
1912         if (selectall)
1913                 selectAll(bv);
1914         lt->toggleFree(bv, font, toggleall);
1915         if (selectall)
1916                 lt->clearSelection();
1917         bv->fitCursor();
1918         if (selectall || lt->selection.set())
1919                 updateLocal(bv, FULL, true);
1920         else
1921                 updateLocal(bv, CURSOR_PAR, true);
1922         if (clear)
1923                 lt = 0;
1924 }
1925
1926
1927 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1928 {
1929         if (cpar(bv)->isInset(cpos(bv))) {
1930                 unsigned int x;
1931                 unsigned int y;
1932                 Inset * inset =
1933                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1934                 if (!isHighlyEditableInset(inset))
1935                         return false;
1936                 LyXFont const font =
1937                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1938                 if (behind) {
1939                         x = inset->width(bv, font);
1940                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1941                 } else {
1942                         x = 0;
1943                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1944                 }
1945                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1946                 //inset_y = cy(bv) + drawTextYOffset;
1947                 inset->edit(bv, x, y, 0);
1948                 if (!the_locking_inset)
1949                         return false;
1950                 updateLocal(bv, CURSOR, false);
1951                 return true;
1952         }
1953         return false;
1954 }
1955
1956
1957 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1958                                       int button)
1959 {
1960         x -= drawTextXOffset;
1961         int dummyx = x;
1962         int dummyy = y + insetAscent;
1963         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy, button);
1964
1965         if (inset) {
1966                 if (x < 0)
1967                         x = insetWidth;
1968                 if (y < 0)
1969                         y = insetDescent;
1970                 inset_x = cx(bv) - top_x + drawTextXOffset;
1971                 inset_y = cy(bv) + drawTextYOffset;
1972                 inset->edit(bv, x - inset_x, y - inset_y, button);
1973                 if (!the_locking_inset)
1974                         return false;
1975                 updateLocal(bv, CURSOR, false);
1976                 return true;
1977         }
1978         return false;
1979 }
1980
1981
1982 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1983 {
1984 #if 0
1985         int w = UpdatableInset::getMaxWidth(bv, inset);
1986         if (w < 0) {
1987                 return -1;
1988         }
1989         if (owner()) {
1990                 w = w - top_x + owner()->x();
1991                 return w;
1992         }
1993         w -= (2 * TEXT_TO_INSET_OFFSET);
1994         return w - top_x;
1995 #else
1996         return UpdatableInset::getMaxWidth(bv, inset);
1997 #endif
1998 }
1999
2000
2001 void InsetText::setParagraphData(Paragraph * p, bool same_id)
2002 {
2003         // we have to unlock any locked inset otherwise we're in troubles
2004         the_locking_inset = 0;
2005         while (par) {
2006                 Paragraph * tmp = par->next();
2007                 delete par;
2008                 par = tmp;
2009         }
2010
2011         par = new Paragraph(*p, same_id);
2012         par->setInsetOwner(this);
2013         Paragraph * np = par;
2014         while (p->next()) {
2015                 p = p->next();
2016                 np->next(new Paragraph(*p, same_id));
2017                 np->next()->previous(np);
2018                 np = np->next();
2019                 np->setInsetOwner(this);
2020         }
2021         reinitLyXText();
2022         need_update = INIT;
2023 }
2024
2025
2026 void InsetText::setText(string const & data)
2027 {
2028         clear();
2029         LyXFont font(LyXFont::ALL_SANE);
2030         for (unsigned int i=0; i < data.length(); ++i)
2031                 par->insertChar(i, data[i], font);
2032 }
2033
2034
2035 void InsetText::setAutoBreakRows(bool flag)
2036 {
2037         if (flag != autoBreakRows) {
2038                 autoBreakRows = flag;
2039                 if (!flag)
2040                         removeNewlines();
2041                 need_update = INIT;
2042         }
2043 }
2044
2045
2046 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
2047 {
2048         if (how != drawFrame_) {
2049                 drawFrame_ = how;
2050                 if (bv)
2051                         updateLocal(bv, DRAW_FRAME, false);
2052         }
2053 }
2054
2055
2056 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
2057 {
2058         if (frame_color != col) {
2059                 frame_color = col;
2060                 if (bv)
2061                         updateLocal(bv, DRAW_FRAME, false);
2062         }
2063 }
2064
2065
2066 int InsetText::cx(BufferView * bv) const
2067 {
2068         bool clear = false;
2069         if (!lt) {
2070                 lt = getLyXText(bv);
2071                 clear = true;
2072         }
2073         int x = lt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
2074         if (the_locking_inset) {
2075                 LyXFont font = lt->getFont(bv->buffer(),
2076                                              lt->cursor.par(),
2077                                              lt->cursor.pos());
2078                 if (font.isVisibleRightToLeft())
2079                         x -= the_locking_inset->width(bv, font);
2080         }
2081         if (clear)
2082                 lt = 0;
2083         return x;
2084 }
2085
2086
2087 int InsetText::cy(BufferView * bv) const
2088 {
2089         LyXFont font;
2090         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2091 }
2092
2093
2094 pos_type InsetText::cpos(BufferView * bv) const
2095 {
2096         return getLyXText(bv)->cursor.pos();
2097 }
2098
2099
2100 Paragraph * InsetText::cpar(BufferView * bv) const
2101 {
2102         return getLyXText(bv)->cursor.par();
2103 }
2104
2105
2106 bool InsetText::cboundary(BufferView * bv) const
2107 {
2108         return getLyXText(bv)->cursor.boundary();
2109 }
2110
2111
2112 Row * InsetText::crow(BufferView * bv) const
2113 {
2114         return getLyXText(bv)->cursor.row();
2115 }
2116
2117
2118 LyXText * InsetText::getLyXText(BufferView const * lbv,
2119                                 bool const recursive) const
2120 {
2121         if (!recursive && (cached_bview == lbv)) {
2122                 LyXText * lt = cached_text.get();
2123                 lyx::Assert(lt && lt->firstRow()->par() == par);
2124                 return cached_text.get();
2125         }
2126
2127         // Super UGLY! (Lgb)
2128         BufferView * bv = const_cast<BufferView *>(lbv);
2129
2130         cached_bview = bv;
2131         Cache::iterator it = cache.find(bv);
2132
2133         if (it != cache.end()) {
2134                 if (do_reinit)
2135                         reinitLyXText();
2136                 else if (do_resize)
2137                         resizeLyXText(do_resize);
2138                 if (lt || !it->second.remove) {
2139                         lyx::Assert(it->second.text.get());
2140                         cached_text = it->second.text;
2141                         if (recursive && the_locking_inset) {
2142                                 return the_locking_inset->getLyXText(bv, true);
2143                         }
2144                         return cached_text.get();
2145                 } else if (it->second.remove) {
2146                         if (locked) {
2147                                 saveLyXTextState(it->second.text.get());
2148                         } else {
2149                                 sstate.lpar = 0;
2150                         }
2151                 }
2152         }
2153
2154         cached_text.reset(new LyXText(const_cast<InsetText *>(this)));
2155         cached_text->init(bv);
2156         restoreLyXTextState(bv, cached_text.get());
2157
2158         cache.insert(make_pair(bv, cached_text));
2159
2160         if (the_locking_inset && recursive) {
2161                 return the_locking_inset->getLyXText(bv);
2162         }
2163         return cached_text.get();
2164 }
2165
2166
2167 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
2168 {
2169         cached_bview = 0;
2170
2171         Cache::iterator it = cache.find(bv);
2172
2173         if (it == cache.end()) {
2174                 return;
2175         }
2176
2177         lyx::Assert(it->second.text.get());
2178
2179         it->second.remove = true;
2180         if (recursive) {
2181                 /// then remove all LyXText in text-insets
2182                 Paragraph * p = par;
2183                 for (; p; p = p->next()) {
2184                         p->deleteInsetsLyXText(bv);
2185                 }
2186         }
2187 }
2188
2189
2190 void InsetText::resizeLyXText(BufferView * bv, bool force) const
2191 {
2192         if (lt) {
2193                 // we cannot resize this because we are in use!
2194                 // so do this on the next possible getLyXText()
2195                 do_resize = bv;
2196                 return;
2197         }
2198         do_resize = 0;
2199 //      lyxerr << "InsetText::resizeLyXText\n";
2200         if (!par->next() && !par->size()) // no data, resize not neccessary!
2201                 return;
2202         // one endless line, resize normally not necessary
2203         if (!force && getMaxWidth(bv, this) < 0)
2204                 return;
2205
2206         Cache::iterator it = cache.find(bv);
2207         if (it == cache.end()) {
2208                 return;
2209         }
2210         lyx::Assert(it->second.text.get());
2211
2212         LyXText * t = it->second.text.get();
2213         saveLyXTextState(t);
2214         for (Paragraph * p = par; p; p = p->next()) {
2215                 p->resizeInsetsLyXText(bv);
2216         }
2217         t->init(bv, true);
2218         restoreLyXTextState(bv, t);
2219         if (the_locking_inset) {
2220                 inset_x = cx(bv) - top_x + drawTextXOffset;
2221                 inset_y = cy(bv) + drawTextYOffset;
2222         }
2223
2224         if (bv->screen()) {
2225                 t->first = bv->screen()->topCursorVisible(t);
2226         }
2227         if (!owner()) {
2228                 updateLocal(bv, FULL, false);
2229                 // this will scroll the screen such that the cursor becomes visible
2230                 bv->updateScrollbar();
2231         } else {
2232                 need_update |= FULL;
2233         }
2234 }
2235
2236
2237 void InsetText::reinitLyXText() const
2238 {
2239         if (lt) {
2240                 // we cannot resize this because we are in use!
2241                 // so do this on the next possible getLyXText()
2242                 do_reinit = true;
2243                 return;
2244         }
2245         do_reinit = false;
2246         do_resize = 0;
2247 //      lyxerr << "InsetText::reinitLyXText\n";
2248         for(Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
2249                 lyx::Assert(it->second.text.get());
2250
2251                 LyXText * t = it->second.text.get();
2252                 BufferView * bv = it->first;
2253
2254                 saveLyXTextState(t);
2255                 for (Paragraph * p = par; p; p = p->next()) {
2256                         p->resizeInsetsLyXText(bv);
2257                 }
2258                 t->init(bv, true);
2259                 restoreLyXTextState(bv, t);
2260                 if (the_locking_inset) {
2261                         inset_x = cx(bv) - top_x + drawTextXOffset;
2262                         inset_y = cy(bv) + drawTextYOffset;
2263                 }
2264                 if (bv->screen()) {
2265                         t->first = bv->screen()->topCursorVisible(t);
2266                 }
2267                 if (!owner()) {
2268                         updateLocal(bv, FULL, false);
2269                         // this will scroll the screen such that the cursor becomes visible
2270                         bv->updateScrollbar();
2271                 } else {
2272                         need_update = FULL;
2273                 }
2274         }
2275 }
2276
2277
2278 void InsetText::removeNewlines()
2279 {
2280         bool changed = false;
2281
2282         for (Paragraph * p = par; p; p = p->next()) {
2283                 for (int i = 0; i < p->size(); ++i) {
2284                         if (p->getChar(i) == Paragraph::META_NEWLINE) {
2285                                 changed = true;
2286                                 p->erase(i);
2287                         }
2288                 }
2289         }
2290         if (changed)
2291                 reinitLyXText();
2292 }
2293
2294
2295 bool InsetText::nodraw() const
2296 {
2297         if (the_locking_inset)
2298                 return the_locking_inset->nodraw();
2299         return UpdatableInset::nodraw();
2300 }
2301
2302
2303 int InsetText::scroll(bool recursive) const
2304 {
2305         int sx = UpdatableInset::scroll(false);
2306
2307         if (recursive && the_locking_inset)
2308                 sx += the_locking_inset->scroll(recursive);
2309
2310         return sx;
2311 }
2312
2313
2314 bool InsetText::doClearArea() const
2315 {
2316         return !locked || (need_update & (FULL|INIT));
2317 }
2318
2319
2320 void InsetText::selectAll(BufferView * bv)
2321 {
2322         getLyXText(bv)->cursorTop(bv);
2323         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
2324         getLyXText(bv)->cursorBottom(bv);
2325         getLyXText(bv)->setSelection(bv);
2326 }
2327
2328
2329 void InsetText::clearSelection(BufferView * bv)
2330 {
2331         getLyXText(bv)->clearSelection();
2332 }
2333
2334
2335 void InsetText::clearInset(BufferView * bv, int baseline, bool & cleared) const
2336 {
2337         LyXFont dummy;
2338         Painter & pain = bv->painter();
2339         int w = insetWidth;
2340         int h = ascent(bv, dummy) + descent(bv, dummy);
2341         int ty = baseline - insetAscent;
2342
2343         if (ty < 0) {
2344                 h += ty;
2345                 ty = 0;
2346         }
2347         if ((ty + h) > pain.paperHeight())
2348                 h = pain.paperHeight();
2349         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2350                 w = pain.paperWidth();
2351 //      w -= TEXT_TO_INSET_OFFSET;
2352         pain.fillRectangle(top_x, ty, w+1, h+1, backgroundColor());
2353         cleared = true;
2354         need_update = FULL;
2355         frame_is_visible = false;
2356 }
2357
2358
2359 Paragraph * InsetText::getParFromID(int id) const
2360 {
2361 #if 0
2362         Paragraph * result = par;
2363         Paragraph * ires = 0;
2364         while (result && result->id() != id) {
2365                 if ((ires = result->getParFromID(id)))
2366                         return ires;
2367                 result = result->next();
2368         }
2369         return result;
2370 #else
2371         Paragraph * tmp = par;
2372         while (tmp) {
2373                 if (tmp->id() == id) {
2374                         return tmp;
2375                 }
2376                 Paragraph * tmp2 = tmp->getParFromID(id);
2377                 if (tmp2 != 0) {
2378                         return tmp2;
2379                 }
2380                 tmp = tmp->next();
2381         }
2382         return 0;
2383 #endif
2384 }
2385
2386
2387 Paragraph * InsetText::firstParagraph() const
2388 {
2389         Paragraph * result;
2390         if (the_locking_inset)
2391                 if ((result = the_locking_inset->firstParagraph()))
2392                         return result;
2393         return par;
2394 }
2395
2396
2397 Paragraph * InsetText::getFirstParagraph(int i) const
2398 {
2399         return (i == 0) ? par : 0;
2400 }
2401
2402
2403 LyXCursor const & InsetText::cursor(BufferView * bv) const
2404 {
2405                 if (the_locking_inset)
2406                                 return the_locking_inset->cursor(bv);
2407                 return getLyXText(bv)->cursor;
2408 }
2409
2410
2411 Paragraph * InsetText::paragraph() const
2412 {
2413         return par;
2414 }
2415
2416
2417 void InsetText::paragraph(Paragraph * p)
2418 {
2419         // GENERAL COMMENT: We don't have to free the old paragraphs as the
2420         // caller of this function has to take care of it. This IS important
2421         // as we could have to insert a paragraph before this one and just
2422         // link the actual to a new ones next and set it with this function
2423         // and are done!
2424         par = p;
2425         // set ourself as owner for all the paragraphs inserted!
2426         Paragraph * np = par;
2427         while (np) {
2428                 np->setInsetOwner(this);
2429                 np = np->next();
2430         }
2431         reinitLyXText();
2432         // redraw myself when asked for
2433         need_update = INIT;
2434 }
2435
2436
2437 Inset * InsetText::getInsetFromID(int id_arg) const
2438 {
2439         if (id_arg == id())
2440                 return const_cast<InsetText *>(this);
2441
2442         Paragraph * lp = par;
2443
2444         while (lp) {
2445                 for (Paragraph::inset_iterator it = lp->inset_iterator_begin(),
2446                          en = lp->inset_iterator_end();
2447                          it != en; ++it)
2448                 {
2449                         if ((*it)->id() == id_arg)
2450                                 return *it;
2451                         Inset * in = (*it)->getInsetFromID(id_arg);
2452                         if (in)
2453                                 return in;
2454                 }
2455                 lp = lp->next();
2456         }
2457         return 0;
2458 }
2459
2460
2461 string const InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
2462 {
2463         bool clear = false;
2464         string str;
2465
2466         if (!lt) {
2467                 lt = getLyXText(bv);
2468                 clear = true;
2469         }
2470         if (the_locking_inset) {
2471                 str = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2472                 if (!str.empty()) {
2473                         value += cy(bv);
2474                         if (clear)
2475                                 lt = 0;
2476                         return str;
2477                 }
2478 #warning Dekel please have a look on this one RTL? (Jug)
2479 #warning DEKEL!
2480                 // we have to go on checking so move cusor to the right
2481                 lt->cursor.pos(lt->cursor.pos() + 1);
2482         }
2483         str = lt->selectNextWordToSpellcheck(bv, value);
2484         if (str.empty())
2485                 bv->unlockInset(const_cast<InsetText *>(this));
2486         else
2487                 value = cy(bv);
2488         if (clear)
2489                 lt = 0;
2490         return str;
2491 }
2492
2493
2494 void InsetText::selectSelectedWord(BufferView * bv)
2495 {
2496         if (the_locking_inset) {
2497                 the_locking_inset->selectSelectedWord(bv);
2498                 return;
2499         }
2500         getLyXText(bv)->selectSelectedWord(bv);
2501         updateLocal(bv, SELECTION, false);
2502 }
2503
2504
2505 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2506 {
2507         if (the_locking_inset) {
2508                 the_locking_inset->toggleSelection(bv, kill_selection);
2509         }
2510         bool clear = false;
2511         if (!lt) {
2512                 lt = getLyXText(bv);
2513                 clear = true;
2514         }
2515
2516         int x = top_x + TEXT_TO_INSET_OFFSET;
2517
2518         Row * row = lt->firstRow();
2519         int y_offset = top_baseline - row->ascent_of_text();
2520         int y = y_offset;
2521         while ((row != 0) && ((y+row->height()) <= 0)) {
2522                 y += row->height();
2523                 row = row->next();
2524         }
2525         if (y_offset < 0)
2526                 y_offset = y;
2527
2528         if (need_update & SELECTION)
2529                 need_update = NONE;
2530         bv->screen()->toggleSelection(lt, bv, kill_selection, y_offset, x);
2531         if (clear)
2532                 lt = 0;
2533 }
2534
2535
2536 bool InsetText::searchForward(BufferView * bv, string const & str,
2537                               bool const & cs, bool const & mw)
2538 {
2539         if (the_locking_inset) {
2540                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2541                         return true;
2542                 bool clear = false;
2543                 if (!lt) {
2544                         lt = getLyXText(bv);
2545                         clear = true;
2546                 }
2547                 Paragraph * lpar = lt->cursor.par();
2548                 pos_type pos = lt->cursor.pos();
2549                 if (pos < lpar->size() - 1)
2550                         ++pos;
2551                 else {
2552                         pos = 0;
2553                         lpar = lpar->next();
2554                 }
2555                 if (!lpar) {
2556                         if (clear)
2557                                 lt = 0;
2558                         // we have to unlock ourself in this function by default!
2559                         bv->unlockInset(const_cast<InsetText *>(this));
2560                         return false;
2561                 }
2562                 lt->setCursor(bv, lpar, pos);
2563                 if (clear)
2564                         lt = 0;
2565         }
2566         if (LyXFind(bv, str, true, true, cs , mw)) {
2567                 return true;
2568         }
2569         // we have to unlock ourself in this function by default!
2570         bv->unlockInset(const_cast<InsetText *>(this));
2571         return false;
2572 }
2573
2574 bool InsetText::searchBackward(BufferView * bv, string const & str,
2575                                bool const & cs, bool const & mw)
2576 {
2577         if (the_locking_inset)
2578                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2579                         return true;
2580         if (LyXFind(bv, str, false, true, cs, mw)) {
2581                 return true;
2582         }
2583         // we have to unlock ourself in this function by default!
2584         bv->unlockInset(const_cast<InsetText *>(this));
2585         return false;
2586 }
2587
2588
2589 bool InsetText::checkInsertChar(LyXFont & font)
2590 {
2591         if (owner())
2592                 return owner()->checkInsertChar(font);
2593         return true;
2594 }